Montana Lakes — Browse & Compare

72lakes

31counties

233,296acres · largest

4recent gauges

LakeVibe tracks 72 lakes across Montana in 31 counties. The largest is Fort Peck Lake at about 233,296 acres. 4 lakes have USGS water readings from within the past 24 hours. Browse every lake by size or water clarity, see what each is good for, or find one near you — with real conditions, not guesses.

Biggest lakes in Montana

Fort Peck Lake233,296 ac
Flathead Lake122,251 ac
Canyon Ferry Lake32,810 ac
Lake Koocanusa28,875 ac
Hungry Horse Reservoir23,596 ac
Lake Elwell13,051 ac
Bighorn Lake12,423 ac
Hebgen Lake12,407 ac

Montana lakes — frequently asked

How many Montana lakes are on LakeVibe?

LakeVibe tracks 72 lakes across Montana in 31 counties, each with real water data and things to do.

What is the largest lake in Montana?

Fort Peck Lake is the largest lake we track in Montana, at about 233,296 acres.

Which Montana lake has the clearest water?

Of the lakes with measured clarity, Whitefish Lake has the deepest Secchi-disk reading — about 44.4 ft of visibility. Clarity varies by season and conditions.

Which Montana lakes have recent water-level and temperature readings?

4 Montana lakes have USGS gauge readings for water level and/or temperature from within the past 24 hours. Each lake page shows its source and the time it was last checked.

Alkali Lake

Aloe Lake

Ashley Lake

Benton Lake

Big Lake

Big Lake

Big Salmon Lake

Bighorn Lake

Bowman Lake

Bull Lake

Bynum Reservoir

Cabinet Gorge Reservoir

Canyon Ferry Lake

Clark Canyon Reservoir

Cooney Reservoir

Deadmans Basin Reservoir

Dry Lake Unit

Duck Lake

Ennis Lake

Flathead Lake

Fort Peck Lake

Freezeout Lake

Fresno Reservoir

Georgetown Lake

Gibson Reservoir

Hauser Lake

Hebgen Lake

Holter Lake

Homestead Lake

Hungry Horse Reservoir

Kingsbury Lake

Kintla Lake

Lake Bowdoin

Lake Como

Lake Elwell

Lake Frances

Lake Helena

Lake Koocanusa

Lake Mary Ronan

Lake McDonald

Lake Sherburne

Lima Reservoir

Lindbergh Lake

Little Bitterroot Lake

Logging Lake

Lower Red Rock Lake

Lower Saint Mary Lake

Martinsdale Reservoir

McGregor Lake

Medicine Lake

Mission Lake

Mud Lake

Nelson Reservoir

Ninepipe Reservoir

Noxon Reservoir

Pablo Reservoir

Pishkun Reservoir

Placid Lake

Quartz Lake

Ruby River Reservoir

Biggest lakes in Montana

Montana lakes — frequently asked